International Board of Certified Lactation Consultant (IBCLC) Practice Exam

What role does connective tissue in the stroma of the breast primarily serve?

1. Provides structural support

2. Stores energy

3. Aids in milk production

4. Transports nutrients

The correct answer is: Provides structural support

Connective tissue in the stroma of the breast primarily serves the essential function of providing structural support. This connective tissue creates a framework that helps maintain the shape and integrity of the breast, allowing it to withstand various physical stresses while providing a stable environment for its functional components. The stroma comprises various cell types, including fibroblasts and immune cells, along with a network of collagen and elastin fibers that contribute to this structural role. In contrast, while storing energy, aiding in milk production, and transporting nutrients are important functions in the body, these roles are often associated with other specific components of breast physiology. For instance, adipose tissue (fat) within the breast serves the energy storage function, while the glandular tissue is primarily involved in milk production. Nutrient transport typically occurs via the blood supply or lymphatic system rather than being a direct role of the connective tissue itself.